Which of these energy resources does NOT pollute when used?

OA) coal

OB) petroleum

o natural gas

OD) hydroelectric

The complete loss of an electron of one atom to another atom with the consequent formation of electrostatic charges is said to bea. a covalent bondb. a polar covalent bondc. an ionic bondd. a coordinate covalent bonde. a pi bond between p orbitals

Aluminum has a density of 2.70 g/cm3. what would be the mass of a sample whose volume is 10.0 cm3?

How are water-based solutions formed? A. Solutions are formed when the water's polar molecules separate the nonpolar molecules of the solute. B.

How many hydrogen atoms are there in 2 moles of water?

What is the solution of the following equation. 2x+7+5x=7 (x+8) A. no solution B. infinitely many solution C. x=56 D. x=7

Which of the following has the greatest first ionization engergy li, be, b or c

If we know that 10.0 cm3 of ice has a mass of 9.19 g what is the density of ice

1. The is the particle in the nucleus of the atom that carries a positive charge and is counted to identify the atomic number. What's the answer

How many grams are there in 5.00 moles of lead Pb?

A large body in space that orbits a star and does not produce light of its own